What's Changed
- Reuse the digest challenge instead of re-authenticating on every request by @zios0007 in #597
- Fix the test suite so tests/dahua/test_issue589.py can run by @zios0007 in #599
- Send the channel number, not the channel index, to ptz.cgi by @zios0007 in #600
- Let the event subscription be changed after setup by @zios0007 in #601
Full Changelog: 0.9.84...0.9.85